Hello my 3 months old baby boy ( born at 35 weeks)he has started breastfeeding late and also with breastfeed used to take top up feed once a day but suddenly he has refuse to take that and he cries a lot and doesn't take the bottle nipple in mouth at all n takes out everything what I give him and becomes so irritated that he doesn't take my breast as well and has reduced the time of feed like he is taking less breastfeed also is this problem plz suggest I want him to be taking top fees for some emergency situations like travel sickness plz suggest what should I do